Delta Air Lines offers a comprehensive cancellation policy designed to accommodate various ticket types and circumstances. Understanding these policies can help travelers make informed decisions when plans change.
Delta's 24-hour risk-free cancellation policy allows passengers to cancel their flight within 24 hours of booking for a full refund, provided the ticket was purchased directly through Delta's official channels, such as delta.com, the Fly Delta app, or Delta Reservations. This policy applies to all ticket types, including non-refundable and Basic Economy fares, as long as the cancellation is made within the specified timeframe. It's important to note that this policy does not apply to tickets purchased through third-party agents or for travel originating from certain international locations, such as Mexico, Korea, Europe, Africa, the Middle East, and India, where specific cancellation charges may apply.
For refundable tickets, Delta permits cancellations at any time before departure without incurring a cancellation fee. A full refund will be issued to the original form of payment. Refundable tickets offer flexibility, making them suitable for travelers with uncertain plans.
Non-refundable tickets, including Basic Economy fares, are subject to different terms. After the 24-hour risk-free period, cancellations typically result in the forfeiture of the ticket's value. However, in some cases, Delta may offer a travel credit or eCredit for the remaining value, minus any applicable cancellation fees, which can be used for future travel within one year of issuance. Basic Economy tickets are generally non-changeable and non-refundable, with limited options for cancellation or credit. 
Delta's cancellation policy also extends to award tickets booked using SkyMiles. For domestic travel within the U.S., cancellations can be made without penalty, and miles will be redeposited into the SkyMiles account. For international travel, a flat fee may apply, and cancellations should be made at least 72 hours prior to departure to avoid penalties. 
It's crucial for travelers to cancel their flights before the scheduled departure to retain any potential value in the ticket. Failure to do so may result in the forfeiture of the ticket's value. Delta provides various methods for cancellation, including online through the 'My Trips' section on their website, via the Fly Delta app, or by contacting Delta Reservations.
In summary, Delta's cancellation policy offers flexibility, especially when cancellations are made within the 24-hour risk-free period. Understanding the specific terms associated with different ticket types and adhering to the outlined procedures can help travelers manage changes to their travel plans effectively.